Donald Trump’s campaign manager once boasted that Fox News chief Roger Ailes was on board with Trump’s presidential campaign and even signed a written letter offering to provide help, according to a new lawsuit brought by a Republican political strategist.The lawsuit also alleges that Corey Lewandowski, the campaign manager, boasted about Trump’s friendships with Ailes, Fox News host Bill O’Reilly and MSNBC host Joe Scarborough.Cheri Jacobus, a Republican consultant, filed ...